Bolton was the Third Lieutenant of HMS Indefatigable, Captain Sir Edward Pellew commanding during Hornblower's tour as Midshipman. Hornblower was prisoner aboard the french privateer Pique, Captain Neuville commanding, and started a fire outside the paint locker when Indefatigable was sighted. Lieutenant Bolton led the boarding party from Indefatigable.
In The Happy Return (novel), Bolton was in command of HMS ''Caligula'', 74 at the time HMS ''Sutherland'', Captain Horatio Hornblower commanding was captured and nearly destroyed by four French ships of the line in Rosas Bay.
Mr. Midshipman Hornblower: The Penalty of Failure.